:root {
            --bg: #0c0c0e;
            --surface: #1a1a20;
            --surface-light: #24242c;
            --accent: #ffd700;
            --accent-hover: #e6c200;
            --accent2: #ff4d00;
            --text: #f8f8fa;
            --muted: #9a9aa5;
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', sans-serif;
            --container-w: 1000px;
            --transition: all 0.3s ease;
        }

        * {
            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 {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        /* --- HEADER (Matching Homepage Vibe) --- */
        header {
            background-color: rgba(12, 12, 14, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 100;
        }

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

        .logo {
            font-family: var(--font-display);
            font-size: 32px;
            color: var(--text);
            letter-spacing: 1px;
        }

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

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

        .nav-links a {
            color: var(--text);
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 28px;
            cursor: pointer;
        }

        /* --- HERO BANNER --- */
        .hero-banner {
            padding: 140px 0 60px;
            background: radial-gradient(circle at top right, rgba(255, 77, 0, 0.15) 0%, transparent 50%),
                        linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
            position: relative;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: repeating-linear-gradient(45deg, transparent, transparent 15px, rgba(255, 215, 0, 0.02) 15px, rgba(255, 215, 0, 0.02) 30px);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb::before {
            content: '';
            display: inline-block;
            width: 12px;
            height: 12px;
            background-color: var(--accent2);
            clip-path: polygon(100% 50%, 0 0, 0 100%);
        }

        .hero-banner h1 {
            font-family: var(--font-display);
            font-size: clamp(40px, 6vw, 64px);
            color: var(--text);
            line-height: 1.1;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
            text-transform: uppercase;
            position: relative;
            z-index: 2;
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }

        .meta-chips {
            display: flex;
            gap: 12px;
            margin-bottom: 40px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .chip {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .intro-blockquote {
            position: relative;
            z-index: 2;
            background: var(--surface-light);
            padding: 30px;
            border-left: 4px solid var(--accent);
            border-radius: 0 12px 12px 0;
            font-size: 16px;
            color: var(--text);
            line-height: 1.8;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .intro-blockquote::after {
            content: '❝';
            position: absolute;
            top: -10px;
            right: 20px;
            font-size: 80px;
            color: rgba(255, 215, 0, 0.05);
            font-family: serif;
            line-height: 1;
        }

        /* --- MAIN CONTENT --- */
        .content-area {
            padding: 60px 0;
        }

        .content-section {
            margin-bottom: 60px;
        }

        .content-section h2 {
            font-family: var(--font-display);
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 24px;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .content-section h2::before {
            content: '';
            display: block;
            width: 30px;
            height: 4px;
            background: var(--accent2);
            transform: skewX(-30deg);
        }

        .content-section p {
            margin-bottom: 20px;
            color: #d0d0d8;
            font-size: 15px;
        }

        .content-section a {
            border-bottom: 1px dashed var(--accent);
            padding-bottom: 2px;
        }

        /* Unique Layouts for Sections */
        .card-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 30px;
        }

        .text-card {
            background: var(--surface);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }

        .text-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 3px;
            background: linear-gradient(90deg, var(--accent2), var(--accent));
        }

        .text-card p:last-child {
            margin-bottom: 0;
        }

        /* Checklist Styling */
        .speed-checklist {
            list-style: none;
            margin: 30px 0;
            padding: 0;
            background: var(--surface);
            border-radius: 12px;
            overflow: hidden;
        }

        .speed-checklist li {
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 15px;
            color: #d0d0d8;
            transition: background 0.3s;
        }

        .speed-checklist li:last-child {
            border-bottom: none;
        }

        .speed-checklist li:hover {
            background: var(--surface-light);
        }

        .speed-checklist li::before {
            content: '⚡';
            display: flex;
            justify-content: center;
            align-items: center;
            width: 32px;
            height: 32px;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent);
            border-radius: 50%;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* Highlight Section */
        .highlight-box {
            background: linear-gradient(135deg, var(--surface) 0%, #2a1f10 100%);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 40px;
            border-radius: 16px;
            margin: 40px 0;
            text-align: center;
        }

        .highlight-box h2 {
            justify-content: center;
        }

        .highlight-box h2::before {
            display: none;
        }

        /* --- FAQ SECTION --- */
        .faq-section {
            margin-top: 60px;
        }

        .faq-section h2 {
            text-align: center;
            justify-content: center;
            font-size: 40px;
            margin-bottom: 40px;
        }

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

        details {
            background: var(--surface);
            margin-bottom: 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
        }

        summary {
            padding: 20px 24px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: var(--transition);
        }

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

        summary::after {
            content: '+';
            font-size: 24px;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        details[open] summary {
            background: var(--surface-light);
            color: var(--accent);
        }

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

        details p {
            padding: 0 24px 24px;
            margin: 0;
            color: var(--muted);
            font-size: 15px;
            border-top: 1px solid rgba(255,255,255,0.02);
            padding-top: 16px;
        }

        /* --- RELATED PAGES --- */
        .related-nav {
            margin: 60px 0;
            padding: 40px;
            background: var(--surface);
            border-radius: 16px;
            text-align: center;
        }

        .related-nav h3 {
            font-family: var(--font-display);
            font-size: 28px;
            color: var(--text);
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .related-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .related-grid a {
            background: var(--bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 24px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1); /* override default a style */
        }

        .related-grid a:hover {
            background: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* --- CTA SECTION --- */
        .cta-block {
            background: linear-gradient(45deg, var(--accent2) 0%, var(--accent) 100%);
            padding: 60px 40px;
            border-radius: 20px;
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: repeating-linear-gradient(-45deg, transparent, transparent 20px, rgba(0,0,0,0.1) 20px, rgba(0,0,0,0.1) 40px);
            pointer-events: none;
        }

        .cta-block h3 {
            font-family: var(--font-display);
            font-size: 40px;
            color: var(--bg);
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-block p {
            color: rgba(12, 12, 14, 0.8);
            font-weight: 600;
            margin-bottom: 30px;
            position: relative;
            z-index: 2;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            position: relative;
            z-index: 2;
        }

        .btn {
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            border: none;
            display: inline-block;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-primary {
            background: var(--bg);
            color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--surface);
            color: var(--accent);
            border-bottom: none;
        }

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

        .btn-secondary:hover {
            background: var(--bg);
            color: var(--text);
            border-bottom: 2px solid var(--bg);
        }

        /* --- FOOTER (Matching Homepage) --- */
        footer {
            background-color: #08080a;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding: 60px 0 20px;
        }

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

        .footer-tagline {
            color: var(--muted);
            font-size: 14px;
            margin-top: 16px;
            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: 14px;
            border-bottom: none;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--muted);
            font-size: 13px;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .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(--accent);
            }
            .nav-links.active { display: flex; }

            .card-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-links-grid { grid-template-columns: 1fr 1fr; }
            .cta-buttons { flex-direction: column; }
            .hero-banner { padding: 120px 0 40px; }
            .intro-blockquote { padding: 20px; font-size: 15px; }
        }

        @media (max-width: 390px) {
            .footer-links-grid { grid-template-columns: 1fr; }
            .hero-banner h1 { font-size: 36px; }
            .content-section h2 { font-size: 26px; }
            .highlight-box { padding: 24px 16px; }
        }


/* 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; }