:root {
            --bg: #140d08;
            --surface: #241710;
            --surface-hover: #2f1d14;
            --accent: #e8965a;
            --accent2: #f5c542;
            --text: #fef8f0;
            --muted: #b89878;
            --border: #3a2518;
            --font-display: 'Oswald', sans-serif;
            --font-body: 'Fira Sans', sans-serif;
            --container-width: 1024px;
        }

        /* Reset & Base */
        * { 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 0.2s ease; }
        a:hover { color: var(--accent2); }
        h1, h2, h3, .brand, .footer-brand {
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.5rem 1.25rem;
            font-family: var(--font-display);
            font-weight: 600;
            text-transform: uppercase;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s ease;
            text-decoration: none;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            border: 2px solid var(--accent);
        }
        .btn-primary:hover { background-color: var(--accent2); border-color: var(--accent2); color: var(--bg); }
        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--border);
        }
        .btn-secondary:hover { border-color: var(--accent); color: var(--accent2); }

        /* Header (Part A1 matched styles) */
        header {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            height: 70px;
        }
        .brand {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent2);
            letter-spacing: 1px;
            margin-right: 2rem;
        }
        .brand:hover { color: var(--accent); }
        .nav-links { display: none; }
        .mobile-menu-btn {
            margin-left: auto;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            min-height: 44px;
            min-width: 44px;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            padding: 0.75rem 1.25rem;
            font-family: var(--font-display);
            font-weight: 500;
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a:last-child { border-bottom: none; }

        @media (min-width: 1024px) {
            .mobile-menu-btn { display: none; }
            .nav-links {
                display: flex;
                align-items: center;
                gap: 1.5rem;
            }
            .nav-links a:not(.btn) {
                font-family: var(--font-display);
                font-weight: 500;
                color: var(--text);
            }
            .nav-links a:not(.btn):hover { color: var(--accent); }
            .mobile-nav { display: none !important; }
        }

        /* Footer (Part A2 matched styles) */
        footer {
            background-color: var(--surface);
            border-top: 1px solid var(--border);
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .footer-brand {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent2);
            margin-bottom: 0.5rem;
        }
        .footer-tagline {
            color: var(--muted);
            margin-bottom: 2rem;
            font-size: 0.9375rem;
            max-width: 400px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.5rem;
            margin-bottom: 2rem;
        }
        .footer-links a {
            color: var(--muted);
            font-size: 0.875rem;
        }
        .footer-links a:hover { color: var(--accent); }
        .copyright {
            color: var(--muted);
            font-size: 0.875rem;
            border-top: 1px solid var(--border);
            padding-top: 1.5rem;
        }

        /* --- DISTINCT CONTENT AREA: BONUS PAGE --- */

        /* Hero Banner */
        .hero-forge {
            background: radial-gradient(circle at 50% 0%, #3a1e0c 0%, var(--bg) 70%);
            padding: 3rem 0 4rem;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .hero-forge::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.5;
        }
        .breadcrumb {
            font-size: 0.8125rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            font-family: var(--font-display);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--accent2);
            line-height: 1.1;
            margin-bottom: 1rem;
            text-shadow: 0 2px 10px rgba(245, 197, 66, 0.2);
        }
        .meta-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        .chip {
            background-color: rgba(58, 37, 24, 0.5);
            border: 1px solid var(--border);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
        }
        .chip::before {
            content: '';
            display: inline-block;
            width: 6px; height: 6px;
            background-color: var(--accent);
            border-radius: 50%;
            margin-right: 6px;
        }
        .hero-intro {
            font-size: 1.125rem;
            color: var(--text);
            max-width: 800px;
            border-left: 3px solid var(--accent);
            padding-left: 1.25rem;
            background: linear-gradient(90deg, rgba(36,23,16,0.8) 0%, transparent 100%);
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }

        /* Main Content Layout */
        .content-wrapper {
            padding: 4rem 0;
        }
        .grid-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .grid-layout { grid-template-columns: repeat(2, 1fr); }
            /* Make first and last full width for pacing */
            .grid-layout > .content-card:nth-child(1),
            .grid-layout > .content-card:nth-child(4) {
                grid-column: 1 / -1;
            }
        }

        /* Content Cards */
        .content-card {
            background-color: var(--surface);
            border: 1px solid var(--border);
            padding: 2rem;
            border-radius: 4px;
            position: relative;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }
        .content-card:hover {
            border-color: rgba(232, 150, 90, 0.3);
            transform: translateY(-2px);
        }
        /* Motif Anvil Spark on cards */
        .content-card::after {
            content: '';
            position: absolute;
            bottom: 0; right: 0;
            width: 40px; height: 40px;
            background: radial-gradient(circle at 100% 100%, rgba(232, 150, 90, 0.1) 0%, transparent 70%);
        }
        .card-h2 {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .card-h2::before {
            content: '■';
            font-size: 0.75rem;
            color: var(--accent2);
        }
        .content-card p {
            margin-bottom: 1rem;
            color: #e0d5c1;
        }
        .content-card p:last-of-type:not(:has(+ ul)) {
            margin-bottom: 0;
        }
        .content-card a {
            border-bottom: 1px dotted var(--accent);
        }
        .content-card a:hover {
            border-bottom-style: solid;
        }

        /* Lists */
        .custom-list {
            list-style: none;
            margin-top: 1.5rem;
            padding-left: 0;
            background-color: rgba(20, 13, 8, 0.5);
            padding: 1.5rem;
            border-radius: 4px;
            border: 1px dashed var(--border);
        }
        .custom-list li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 0.75rem;
            color: var(--text);
        }
        .custom-list li:last-child { margin-bottom: 0; }
        .custom-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent2);
            font-weight: bold;
            font-family: var(--font-display);
        }

        /* Risk Section Special Styling */
        .card-risk {
            border-left: 4px solid var(--accent);
            background: linear-gradient(135deg, var(--surface) 0%, #1e130d 100%);
        }

        /* FAQ Section */
        .section-header {
            font-size: 2rem;
            color: var(--text);
            text-align: center;
            margin: 4rem 0 2rem;
            position: relative;
        }
        .section-header::after {
            content: '';
            display: block;
            width: 60px;
            height: 2px;
            background-color: var(--accent);
            margin: 1rem auto 0;
        }
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        details {
            background-color: var(--surface);
            border: 1px solid var(--border);
            margin-bottom: 1rem;
            border-radius: 4px;
            overflow: hidden;
        }
        summary {
            padding: 1.25rem 1.5rem;
            font-family: var(--font-display);
            font-size: 1.125rem;
            font-weight: 500;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: background-color 0.2s ease;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 1.5rem;
            line-height: 1;
            transition: transform 0.3s ease;
        }
        details[open] summary {
            background-color: var(--surface-hover);
            border-bottom: 1px solid var(--border);
        }
        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent2);
        }
        details p {
            padding: 1.5rem;
            color: var(--muted);
            margin: 0;
        }

        /* Related Links */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-top: 2rem;
        }
        .related-link-card {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.25rem;
            background-color: var(--surface);
            border: 1px solid var(--border);
            text-align: center;
            font-family: var(--font-display);
            font-weight: 500;
            color: var(--muted);
            transition: all 0.3s ease;
        }
        .related-link-card:hover {
            background-color: var(--surface-hover);
            border-color: var(--accent);
            color: var(--accent2);
            transform: translateY(-2px);
        }

        /* CTA Block */
        .cta-forge {
            margin-top: 5rem;
            padding: 4rem 2rem;
            text-align: center;
            background: linear-gradient(to bottom, var(--surface), #1a100a);
            border: 1px solid var(--border);
            border-top: 3px solid var(--accent);
            border-radius: 8px;
            position: relative;
        }
        .cta-forge::before {
            content: '';
            position: absolute;
            top: -3px; left: 50%;
            transform: translateX(-50%);
            width: 100px; height: 3px;
            background-color: var(--accent2);
            box-shadow: 0 0 15px var(--accent2);
        }
        .cta-title {
            font-size: 2.25rem;
            color: var(--text);
            margin-bottom: 1rem;
        }
        .cta-desc {
            color: var(--muted);
            max-width: 600px;
            margin: 0 auto 2rem;
            font-size: 1.125rem;
        }
        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-actions .btn {
            min-width: 160px;
            font-size: 1rem;
            padding: 0.75rem 2rem;
        }


/* 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; }