:root {
            --bg: #050e16;
            --surface: #0c1e2e;
            --surface-light: #152b40;
            --accent: #ffc857;
            --accent-hover: #e6b44e;
            --accent2: #22d3ee;
            --accent2-hover: #1cbcd4;
            --text: #f0faff;
            --muted: #8fadc2;
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;
            --radius-sm: 12px;
            --radius-md: 24px;
            --radius-lg: 32px;
            --container: 1024px;
        }

        /* Reset & Base */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, .font-display {
            font-family: var(--font-display);
            line-height: 1.3;
        }
        a { color: var(--accent2); text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: var(--accent); }
        .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            cursor: pointer;
            border: none;
            transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
        }
        .btn:active { transform: scale(0.96); }
        .btn-primary {
            background: var(--accent);
            color: #000;
            box-shadow: 0 4px 15px rgba(255, 200, 87, 0.3);
        }
        .btn-primary:hover { background: var(--accent-hover); box-shadow: 0 6px 20px rgba(255, 200, 87, 0.4); }
        .btn-secondary {
            background: transparent;
            color: var(--accent2);
            border: 2px solid var(--accent2);
        }
        .btn-secondary:hover { background: rgba(34, 211, 238, 0.1); }

        /* HEADER (Targeting provided HTML) */
        header {
            background: rgba(12, 30, 46, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .nav-container { display: flex; justify-content: space-between; align-items: center; min-height: 70px; padding-top: 0.5rem; padding-bottom: 0.5rem; }
        .logo { font-family: var(--font-display); font-size: 1.75rem; font-weight: 900; color: var(--text); letter-spacing: -0.5px; }
        .logo span { color: var(--accent); }
        .nav-links { display: none; gap: 1.5rem; }
        .nav-links a { color: var(--text); font-family: var(--font-display); font-size: 0.9rem; font-weight: 600; }
        .nav-links a:hover { color: var(--accent2); }
        .nav-actions { display: none; gap: 1rem; }
        .mobile-toggle { background: none; border: none; color: var(--text); font-size: 1.8rem; cursor: pointer; padding: 0.5rem; }

        @media(min-width: 1024px) {
            .nav-links, .nav-actions { display: flex; align-items: center; }
            .mobile-toggle { display: none; }
        }
        @media(max-width: 1023px) {
            header.nav-active .nav-container { flex-wrap: wrap; }
            header.nav-active .nav-links { display: flex; flex-direction: column; width: 100%; padding: 1rem 0; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 1rem; }
            header.nav-active .nav-actions { display: flex; flex-direction: column; width: 100%; padding-bottom: 1rem; }
            header.nav-active .btn { width: 100%; }
        }

        /* HERO SECTION */
        .hero {
            position: relative;
            padding: 4rem 0 6rem;
            background: radial-gradient(circle at 10% 20%, rgba(34, 211, 238, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 90% 80%, rgba(255, 200, 87, 0.08) 0%, transparent 40%);
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 60px;
            background: linear-gradient(to bottom right, transparent 49%, var(--bg) 50%);
        }
        .breadcrumb {
            font-family: var(--font-display);
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 2rem;
            display: inline-block;
            background: rgba(255,255,255,0.03);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 1.5rem;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff 0%, #b5d5ec 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .meta-chips { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
        .chip {
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--bg);
            background: var(--accent2);
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .chip:nth-child(2) { background: var(--accent); }
        .hero-intro {
            font-size: 1.15rem;
            color: var(--text);
            max-width: 800px;
            padding-left: 1.5rem;
            border-left: 4px solid var(--accent);
            background: linear-gradient(90deg, rgba(255,200,87,0.05) 0%, transparent 100%);
            padding-top: 1rem;
            padding-bottom: 1rem;
            border-radius: 0 16px 16px 0;
        }

        /* CONTENT LAYOUT */
        .main-content {
            padding: 2rem 0;
            position: relative;
            z-index: 2;
        }
        .content-grid {
            display: grid;
            gap: 2rem;
        }
        @media(min-width: 768px) {
            .content-grid { grid-template-columns: repeat(2, 1fr); }
            /* Make first and last items span full width for varied layout */
            .card-wrapper:nth-child(1),
            .card-wrapper:nth-child(6) { grid-column: 1 / -1; }
        }

        .info-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            border: 1px solid rgba(143, 173, 194, 0.1);
            position: relative;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            border-color: rgba(34, 211, 238, 0.2);
        }
        .card-wrapper:nth-child(even) .info-card {
            background: linear-gradient(145deg, var(--surface) 0%, var(--surface-light) 100%);
        }

        .section-header {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            margin-bottom: 1.5rem;
        }
        .section-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--surface-light);
            color: var(--accent2);
            border: 2px solid var(--accent2);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-weight: 900;
            font-size: 1.2rem;
            transform: rotate(-5deg);
        }
        .info-card h2 {
            font-size: 1.4rem;
            color: var(--text);
            margin-top: 0.2rem;
        }
        .info-card p {
            margin-bottom: 1.25rem;
            color: var(--muted);
        }
        .info-card p:last-child { margin-bottom: 0; }
        .info-card p a {
            color: var(--accent);
            font-weight: 600;
            border-bottom: 1px dashed var(--accent);
        }
        .info-card p a:hover { color: var(--accent2); border-color: var(--accent2); }

        /* Custom Lists */
        .feature-list {
            list-style: none;
            margin-top: 1.5rem;
            padding-left: 0;
        }
        .feature-list li {
            position: relative;
            padding-left: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text);
            font-size: 0.95rem;
        }
        .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            width: 20px;
            height: 20px;
            background-color: var(--accent2);
            mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') no-repeat center / contain;
            -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') no-repeat center / contain;
        }

        /* FAQ SECTION */
        .faq-section {
            margin-top: 5rem;
            background: var(--surface);
            padding: 4rem 0;
            border-radius: var(--radius-lg);
            position: relative;
        }
        .faq-section::before {
            content: '';
            position: absolute;
            top: -10px; left: 50%; transform: translateX(-50%);
            width: 100px; height: 20px;
            background: var(--accent);
            border-radius: 20px;
        }
        .faq-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 3rem;
            color: var(--text);
        }
        .faq-title span { color: var(--accent2); }
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        details {
            background: var(--surface-light);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.05);
            overflow: hidden;
        }
        summary {
            padding: 1.5rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: background 0.2s;
        }
        summary::-webkit-details-marker { display: none; }
        summary::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform 0.3s;
        }
        details[open] summary { background: rgba(255,255,255,0.02); border-bottom: 1px solid rgba(255,255,255,0.05); }
        details[open] summary::after { transform: rotate(45deg); color: var(--accent2); }
        details p {
            padding: 1.5rem;
            color: var(--muted);
            margin: 0;
        }

        /* RELATED LINKS */
        .related-section {
            margin-top: 4rem;
            padding-bottom: 2rem;
        }
        .related-title {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .related-title::after {
            content: '';
            flex-grow: 1;
            height: 1px;
            background: rgba(143, 173, 194, 0.2);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .related-card {
            background: var(--surface);
            padding: 1.5rem;
            border-radius: var(--radius-sm);
            text-align: center;
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--text);
            border: 1px solid rgba(34, 211, 238, 0.1);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .related-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(45deg, var(--accent2), var(--accent));
            opacity: 0;
            z-index: -1;
            transition: opacity 0.3s;
        }
        .related-card:hover { color: #000; border-color: transparent; }
        .related-card:hover::before { opacity: 1; }

        /* CTA BLOCK */
        .cta-block {
            margin: 5rem auto;
            max-width: 900px;
            background: linear-gradient(135deg, var(--surface) 0%, #0a1724 100%);
            border-radius: var(--radius-lg);
            padding: 4rem 2rem;
            text-align: center;
            border: 1px solid rgba(255, 200, 87, 0.2);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%;
            width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(255,200,87,0.05) 0%, transparent 50%);
            animation: rotate 20s linear infinite;
            pointer-events: none;
        }
        @keyframes rotate { 100% { transform: rotate(360deg); } }
        .cta-block h2 { font-size: 2.5rem; margin-bottom: 1rem; color: var(--text); }
        .cta-block p { font-size: 1.1rem; color: var(--muted); margin-bottom: 2.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-actions { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; position: relative; z-index: 2; }
        .cta-actions .btn { min-width: 180px; padding: 1rem 2rem; font-size: 1.1rem; }

        /* FOOTER (Targeting provided HTML) */
        footer {
            background: #020609;
            padding: 4rem 0 2rem;
            border-top: 4px solid var(--accent2);
            font-family: var(--font-body);
        }
        .footer-grid {
            display: grid;
            gap: 3rem;
        }
        @media(min-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 2fr; }
        }
        .footer-brand .logo { font-size: 2rem; margin-bottom: 1rem; }
        .footer-tagline { color: var(--muted); font-size: 0.95rem; line-height: 1.6; max-width: 300px; }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
        }
        .footer-links div { display: flex; flex-direction: column; gap: 1rem; }
        .footer-links a {
            color: var(--muted);
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 500;
        }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; }
        .footer-bottom {
            margin-top: 4rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
            color: rgba(143, 173, 194, 0.5);
            font-size: 0.85rem;
        }


/* 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; }