:root {
            --bg: #0c0c0e;
            --surface: #1a1a20;
            --surface-hover: #23232b;
            --accent: #ffd700;
            --accent2: #ff4d00;
            --text: #f8f8fa;
            --muted: #9a9aa5;
            --border: rgba(255, 255, 255, 0.08);
            --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;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* HEADER (Matched to homepage feel) */
        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;
            text-transform: uppercase;
        }

        .logo span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            gap: 24px;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
        }

        .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-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(to bottom, rgba(26, 26, 32, 0.8), var(--bg)),
                        repeating-linear-gradient(45deg, rgba(255, 215, 0, 0.02) 0px, rgba(255, 215, 0, 0.02) 2px, transparent 2px, transparent 10px);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 60%;
            height: 200%;
            background: linear-gradient(90deg, transparent, rgba(255, 77, 0, 0.05), transparent);
            transform: rotate(-15deg);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 16px;
            display: inline-block;
            padding: 6px 12px;
            background: var(--surface);
            border-radius: 4px;
            border: 1px solid var(--border);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-content h1 {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            margin-bottom: 20px;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
        }

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

        .chip {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent);
            border: 1px solid rgba(255, 215, 0, 0.2);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* MAIN CONTENT */
        .content-area {
            padding: 60px 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .intro-block {
            font-size: 1.1rem;
            color: var(--text);
            padding: 30px;
            background: var(--surface);
            border-left: 4px solid var(--accent2);
            border-radius: 0 8px 8px 0;
            margin-bottom: 50px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            position: relative;
        }

        .intro-block::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, transparent 50%, rgba(255,215,0,0.05) 50%);
            pointer-events: none;
        }

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

        .content-section h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .content-section h2::after {
            content: '';
            flex-grow: 1;
            height: 1px;
            background: linear-gradient(90deg, var(--border), transparent);
        }

        .content-section p {
            margin-bottom: 20px;
            color: #d1d1d6;
            font-size: 1rem;
        }

        .content-section a {
            color: var(--accent);
            text-decoration: underline;
            text-decoration-color: rgba(255, 215, 0, 0.4);
            text-underline-offset: 4px;
            font-weight: 600;
        }

        .content-section a:hover {
            color: var(--accent2);
            text-decoration-color: var(--accent2);
        }

        /* Custom List Styling */
        .speed-list {
            list-style: none;
            margin: 30px 0;
            padding: 0;
        }

        .speed-list li {
            padding: 15px 20px 15px 50px;
            background: var(--surface);
            margin-bottom: 12px;
            border-radius: 6px;
            position: relative;
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 0.95rem;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .speed-list li:hover {
            transform: translateX(5px);
            border-color: rgba(255, 215, 0, 0.3);
        }

        .speed-list li::before {
            content: '»';
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent2);
            font-size: 1.5rem;
            font-family: var(--font-display);
        }

        /* FAQ SECTION */
        .faq-section {
            max-width: 900px;
            margin: 0 auto 60px;
            padding: 0 20px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 40px;
            color: var(--text);
            text-transform: uppercase;
        }

        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        details {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
        }

        summary {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: background 0.3s ease;
        }

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

        summary::after {
            content: '+';
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        details[open] summary {
            background: rgba(255, 215, 0, 0.05);
            border-bottom: 1px solid var(--border);
        }

        details[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent2);
        }

        details p {
            padding: 20px;
            color: #d1d1d6;
            font-size: 0.95rem;
            margin: 0;
            background: rgba(0,0,0,0.2);
        }

        /* RELATED PAGES */
        .related-links {
            max-width: 900px;
            margin: 0 auto 80px;
            padding: 0 20px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 16px;
        }

        .related-grid a {
            display: flex;
            align-items: center;
            padding: 20px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text);
            font-weight: 600;
            text-transform: capitalize;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .related-grid a::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 0; height: 100%;
            background: var(--speed-gradient);
            z-index: -1;
            transition: width 0.4s ease;
        }

        .related-grid a:hover::before {
            width: 100%;
        }

        .related-grid a:hover {
            color: var(--bg);
            border-color: transparent;
        }

        .related-grid a::after {
            content: '→';
            margin-left: auto;
            font-family: var(--font-display);
            font-size: 1.2rem;
        }

        /* GRAND CTA */
        .grand-cta {
            background: linear-gradient(rgba(12, 12, 14, 0.9), rgba(12, 12, 14, 0.9)),
                        repeating-linear-gradient(-45deg, rgba(255, 77, 0, 0.05) 0px, rgba(255, 77, 0, 0.05) 4px, transparent 4px, transparent 20px);
            padding: 80px 20px;
            text-align: center;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-inner {
            max-width: 700px;
        }

        .grand-cta h2 {
            font-family: var(--font-display);
            font-size: 3rem;
            color: var(--accent);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .grand-cta p {
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 40px;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 16px 40px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            border-radius: 4px;
            transform: skewX(-10deg);
            position: relative;
            overflow: hidden;
            min-width: 200px;
        }

        .btn span {
            display: inline-block;
            transform: skewX(10deg);
            position: relative;
            z-index: 2;
        }

        .btn-primary {
            background: var(--speed-gradient);
            color: var(--bg);
            border: none;
            box-shadow: 0 4px 15px rgba(255, 77, 0, 0.3);
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0; left: -100%; width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.5s ease;
            z-index: 1;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        /* FOOTER (Matched to homepage feel) */
        footer {
            background-color: var(--surface);
            padding: 60px 0 20px;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-tagline {
            margin-top: 15px;
            color: var(--muted);
            font-size: 0.9rem;
            max-width: 300px;
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 15px;
        }

        .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: 0.8rem;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-banner { padding: 60px 0 40px; }
            .content-area { padding: 40px 20px; }
        }

        @media (max-width: 768px) {
            .header-inner { position: relative; }
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--surface);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .nav-links.active { display: flex; }

            .footer-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 2.2rem; }
            .intro-block { padding: 20px; font-size: 1rem; }
            .content-section h2 { font-size: 1.8rem; }
            .grand-cta h2 { font-size: 2.2rem; }
            .btn { width: 100%; min-width: unset; }
        }

        @media (max-width: 390px) {
            .hero-content h1 { font-size: 2rem; }
            .meta-chips { flex-direction: column; gap: 8px; align-items: flex-start; }
            .content-section h2 { font-size: 1.5rem; flex-wrap: wrap; }
            .speed-list li { padding-left: 40px; font-size: 0.9rem; }
            .speed-list li::before { left: 12px; }
            .related-grid { grid-template-columns: 1fr; }
        }


/* 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; }