:root {
            --bg: #140d08;
            --surface: #241710;
            --accent: #e8965a;
            --accent2: #f5c542;
            --text: #fef8f0;
            --muted: #b89878;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Fira Sans', sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, .brand, .btn, .chip, summary, .related-grid a {
            font-family: 'Oswald', sans-serif;
        }

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

        @media (min-width: 768px) {
            .container { padding: 0 40px; }
        }

        /* HEADER STYLES */
        header {
            background-color: rgba(36, 23, 16, 0.95);
            border-bottom: 1px solid rgba(232, 150, 90, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: 70px;
        }

        .brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent2);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .nav-links {
            display: none;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
                gap: 1.5rem;
                align-items: center;
                margin-left: 2rem;
            }
        }

        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 1.25rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 4px;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: #000;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent2);
            border-color: var(--accent2);
        }

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

        .btn-secondary:hover {
            background: rgba(232, 150, 90, 0.1);
        }

        .mobile-menu-btn {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            margin-left: auto;
        }

        @media (min-width: 1024px) {
            .mobile-menu-btn { display: none; }
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--surface);
            padding: 1rem 20px;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            border-bottom: 1px solid var(--accent);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }

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

        .mobile-nav a {
            padding: 0.75rem 0;
            color: var(--text);
            text-decoration: none;
            border-bottom: 1px solid rgba(184, 152, 120, 0.1);
            font-family: 'Oswald', sans-serif;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* HERO BANNER */
        .hero-banner {
            padding: 4rem 0 3rem;
            background: radial-gradient(circle at 50% 0%, rgba(36, 23, 16, 1) 0%, rgba(20, 13, 8, 1) 80%);
            border-bottom: 1px solid rgba(232, 150, 90, 0.15);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 800px;
            height: 100%;
            background: radial-gradient(ellipse at top, rgba(232, 150, 90, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 0.875rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

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

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

        .hero-banner h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 4px 12px rgba(0,0,0,0.6);
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .meta-chips {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .chip {
            background: rgba(36, 23, 16, 0.8);
            border: 1px solid rgba(232, 150, 90, 0.4);
            color: var(--accent2);
            padding: 0.35rem 1rem;
            border-radius: 2px;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: inset 0 0 10px rgba(232, 150, 90, 0.1);
        }

        /* MAIN ARTICLE CONTENT */
        .article-layout {
            max-width: 840px;
            margin: 3rem auto;
        }

        .intro-block {
            font-size: 1.125rem;
            color: var(--text);
            background: var(--surface);
            padding: 2rem;
            border-left: 4px solid var(--accent);
            margin-bottom: 3.5rem;
            border-radius: 0 4px 4px 0;
            box-shadow: 0 8px 24px rgba(0,0,0,0.4);
            line-height: 1.7;
        }

        .article-layout a {
            color: var(--accent2);
            text-decoration: none;
            border-bottom: 1px dashed var(--accent2);
            transition: all 0.3s;
            font-weight: 500;
        }

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

        .content-section {
            margin-bottom: 3.5rem;
        }

        .content-section h2 {
            font-size: 1.75rem;
            color: var(--accent2);
            margin-bottom: 1.25rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-bottom: 1px solid rgba(184, 152, 120, 0.15);
            padding-bottom: 0.75rem;
        }

        .content-section h2::before {
            content: '';
            display: block;
            width: 10px;
            height: 10px;
            background: var(--accent);
            transform: rotate(45deg);
            box-shadow: 0 0 8px var(--accent);
        }

        .content-section p {
            margin-bottom: 1.25rem;
            color: rgba(254, 248, 240, 0.85);
            font-size: 1.05rem;
        }

        .styled-list {
            list-style: none;
            margin: 1.5rem 0;
            padding-left: 0.5rem;
        }

        .styled-list li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 1rem;
            color: rgba(254, 248, 240, 0.85);
            font-size: 1.05rem;
        }

        .styled-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.4rem;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 1px;
            transform: rotate(45deg);
        }

        /* FAQ SECTION */
        .faq-section {
            margin-top: 5rem;
            padding-top: 3rem;
            border-top: 1px dashed rgba(232, 150, 90, 0.3);
        }

        .faq-section h2 {
            text-align: center;
            justify-content: center;
            border-bottom: none;
            margin-bottom: 2rem;
        }

        .faq-section h2::before {
            display: none;
        }

        details {
            background: var(--surface);
            margin-bottom: 1rem;
            border-radius: 4px;
            border: 1px solid rgba(184, 152, 120, 0.1);
            transition: all 0.3s ease;
        }

        details:hover {
            border-color: rgba(232, 150, 90, 0.3);
        }

        summary {
            padding: 1.25rem 1.5rem;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--accent2);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        summary::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform 0.3s;
            font-family: 'Fira Sans', sans-serif;
        }

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

        details p {
            padding: 0 1.5rem 1.5rem;
            margin: 0;
            color: var(--muted);
            border-top: 1px solid rgba(184, 152, 120, 0.1);
            padding-top: 1.25rem;
            font-size: 1rem;
        }

        /* RELATED LINKS */
        .related-links-block {
            margin-top: 4rem;
            background: rgba(36, 23, 16, 0.5);
            padding: 2.5rem 2rem;
            border-radius: 4px;
            border: 1px solid rgba(184, 152, 120, 0.2);
        }

        .related-links-block h3 {
            color: var(--text);
            margin-bottom: 1.5rem;
            text-align: center;
            text-transform: uppercase;
            font-size: 1.25rem;
            letter-spacing: 1px;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        .related-grid a {
            background: var(--surface);
            border: 1px solid rgba(232, 150, 90, 0.3);
            padding: 0.75rem 1.25rem;
            border-radius: 2px;
            color: var(--accent);
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid rgba(232, 150, 90, 0.3); /* override article link style */
        }

        .related-grid a:hover {
            background: var(--accent);
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(232, 150, 90, 0.2);
        }

        /* CTA BLOCK */
        .cta-block {
            margin: 4rem 0 2rem;
            padding: 3.5rem 2rem;
            text-align: center;
            background: linear-gradient(135deg, var(--surface) 0%, rgba(20, 13, 8, 1) 100%);
            border: 1px solid var(--accent);
            border-radius: 4px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(232, 150, 90, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-block h3 {
            font-size: 2.25rem;
            color: var(--accent2);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            z-index: 1;
        }

        .cta-block p {
            color: var(--text);
            margin-bottom: 2.5rem;
            font-size: 1.1rem;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-buttons .btn {
            min-width: 160px;
            min-height: 48px;
            font-size: 1.05rem;
        }

        /* FOOTER STYLES */
        footer {
            background-color: var(--surface);
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(232, 150, 90, 0.2);
            margin-top: 4rem;
        }

        .footer-brand {
            font-family: 'Oswald', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent2);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1rem;
        }

        .footer-tagline {
            color: var(--muted);
            margin-bottom: 2rem;
            max-width: 500px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .footer-links a {
            color: var(--muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        .copyright {
            color: rgba(184, 152, 120, 0.5);
            font-size: 0.875rem;
            border-top: 1px solid rgba(184, 152, 120, 0.1);
            padding-top: 1.5rem;
        }


/* 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; }