:root {
            --bg: #0c0c0e;
            --surface: #1a1a20;
            --surface-hover: #23232b;
            --accent: #ffd700;
            --accent2: #ff4d00;
            --text: #f8f8fa;
            --muted: #9a9aa5;
            --border: rgba(255, 255, 255, 0.1);
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', sans-serif;
            --speed-gradient: linear-gradient(135deg, var(--accent2) 0%, var(--accent) 100%);
        }

        * { 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); }

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

        /* --- HEADER (VERBATIM STYLING) --- */
        header {
            background-color: rgba(12, 12, 14, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--text);
            letter-spacing: 1px;
        }
        .logo span { color: var(--accent); }
        .nav-links {
            display: flex;
            gap: 24px;
        }
        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .nav-links a:hover { color: var(--accent); }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* --- HERO BANNER --- */
        .hero {
            position: relative;
            padding: 80px 0 60px;
            background: radial-gradient(circle at 80% 0%, rgba(255, 77, 0, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 100%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(255, 255, 255, 0.02) 10px,
                rgba(255, 255, 255, 0.02) 20px
            );
            z-index: 0;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 1; }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(3rem, 5vw, 4.5rem);
            line-height: 1.1;
            margin-bottom: 24px;
            text-transform: uppercase;
            background: var(--speed-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 2px;
            max-width: 800px;
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .chip {
            background: var(--surface);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .chip::before {
            content: '';
            display: block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        /* --- MAIN CONTENT --- */
        .main-content {
            padding: 60px 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 60px;
        }

        .article-body {
            max-width: 850px;
        }

        .intro-quote {
            font-size: 1.1rem;
            color: var(--text);
            padding: 24px 32px;
            background: var(--surface);
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            margin-bottom: 40px;
            font-weight: 500;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .section-block {
            margin-bottom: 50px;
            position: relative;
        }

        .section-block h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            letter-spacing: 1px;
        }

        .section-block h2::before {
            content: attr(data-lap);
            background: var(--accent2);
            color: var(--bg);
            font-size: 1.2rem;
            padding: 4px 12px;
            border-radius: 4px;
            transform: skewX(-15deg);
            display: inline-block;
        }

        .section-block p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 1.05rem;
        }
        .section-block p strong { color: var(--text); }
        .section-block p a {
            color: var(--accent);
            border-bottom: 1px dashed var(--accent);
            padding-bottom: 2px;
        }
        .section-block p a:hover {
            color: var(--accent2);
            border-color: var(--accent2);
        }

        .custom-list {
            list-style: none;
            margin: 24px 0;
            padding: 24px;
            background: var(--surface);
            border-radius: 8px;
            border: 1px solid var(--border);
        }
        .custom-list li {
            position: relative;
            padding-left: 36px;
            margin-bottom: 16px;
            color: var(--text);
            font-size: 1rem;
        }
        .custom-list li:last-child { margin-bottom: 0; }
        .custom-list li::before {
            content: '»';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-family: var(--font-display);
            font-size: 1.5rem;
            line-height: 1;
        }

        /* --- FAQ SECTION --- */
        .faq-section {
            margin-top: 60px;
            padding-top: 60px;
            border-top: 1px solid var(--border);
        }
        .faq-section h2 {
            font-family: var(--font-display);
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: var(--accent);
            text-align: center;
        }
        details {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        details[open] {
            border-color: var(--accent);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.05);
        }
        summary {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 1.5rem;
            font-family: var(--font-display);
            transition: transform 0.3s ease;
        }
        details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin: 0;
        }

        /* --- RELATED LINKS (CREATIVE BLOCK) --- */
        .related-links-block {
            margin-top: 60px;
            background: var(--surface);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .related-links-block::before {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 150px; height: 150px;
            background: radial-gradient(circle, rgba(255,215,0,0.1) 0%, transparent 70%);
        }
        .related-links-block h3 {
            font-family: var(--font-display);
            font-size: 2rem;
            margin-bottom: 24px;
            color: var(--text);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .related-grid a {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 6px;
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        .related-grid a:hover {
            background: var(--surface-hover);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* --- GRAND CTA --- */
        .grand-cta {
            margin-top: 80px;
            padding: 60px 40px;
            background: linear-gradient(to right, var(--surface), #111115);
            border-radius: 16px;
            text-align: center;
            border: 1px solid rgba(255, 77, 0, 0.3);
            position: relative;
            overflow: hidden;
        }
        .grand-cta::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0; height: 4px;
            background: var(--speed-gradient);
        }
        .grand-cta h2 {
            font-family: var(--font-display);
            font-size: 3rem;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 1px;
        }
        .grand-cta p {
            color: var(--muted);
            font-size: 1.1rem;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            letter-spacing: 1px;
            border-radius: 4px;
            min-height: 44px;
            transition: all 0.3s ease;
            text-transform: uppercase;
        }
        .btn-primary {
            background: var(--accent2);
            color: var(--text);
            box-shadow: 0 4px 15px rgba(255, 77, 0, 0.4);
        }
        .btn-primary:hover {
            background: #e64500;
            color: var(--text);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 77, 0, 0.6);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }
        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent);
        }

        /* --- FOOTER (VERBATIM STYLING) --- */
        footer {
            background-color: #050506;
            padding: 60px 0 20px;
            border-top: 1px solid var(--border);
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; display: inline-block; }
        .footer-tagline { color: var(--muted); font-size: 0.9rem; max-width: 300px; }
        .footer-links-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .footer-links-grid a {
            color: var(--muted);
            font-size: 0.9rem;
        }
        .footer-links-grid a:hover { color: var(--accent); }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            color: var(--muted);
            font-size: 0.85rem;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--surface);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
            }
            .nav-links.active { display: flex; }
            .menu-toggle { display: block; }
            .hero h1 { font-size: 2.5rem; }
            .cta-buttons { flex-direction: column; }
            .btn { width: 100%; }
            .related-links-block { padding: 24px; }
            .grand-cta { padding: 40px 20px; }
        }
        @media (max-width: 390px) {
            .footer-links-grid { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2rem; }
            .section-block h2 { font-size: 1.8rem; flex-direction: column; align-items: flex-start; gap: 8px; }
        }


/* 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; }