:root {
            --bg: #061218;
            --surface: #0d2230;
            --surface-hover: #133044;
            --accent: #22d3ee;
            --accent-glow: rgba(34, 211, 238, 0.3);
            --accent2: #a3e635;
            --text: #f0faff;
            --muted: #8fadb8;
            --font-display: 'Chakra Petch', sans-serif;
            --font-body: 'Manrope', sans-serif;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* Typography */
        h1, h2, h3, .logo {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(1.75rem, 4vw, 2.25rem);
            color: var(--accent);
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent2);
            border-radius: 2px;
        }

        p {
            margin-bottom: 1.25rem;
            font-size: 1rem;
            color: var(--text);
        }

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Layout & Utilities */
        .section-spacer {
            padding: clamp(3rem, 8vw, 5rem) 0;
        }

        .text-link {
            position: relative;
            font-weight: 700;
            color: var(--accent);
            padding: 0 4px;
            white-space: nowrap;
        }

        .text-link::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }

        .text-link:hover::before {
            transform: scaleX(1);
            transform-origin: left;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 1.75rem;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.125rem;
            border-radius: var(--radius-sm);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--bg);
            box-shadow: 0 4px 15px rgba(34, 211, 238, 0.2);
        }

        .btn-primary:hover {
            background-color: #1cb8d1;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(34, 211, 238, 0.4);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--accent2);
            border: 2px solid var(--accent2);
        }

        .btn-secondary:hover {
            background-color: var(--accent2);
            color: var(--bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(163, 230, 53, 0.2);
        }

        /* Header (Exact Match Styling) */
        header {
            background-color: rgba(13, 34, 48, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            color: #fff;
            text-transform: lowercase;
        }

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

        .nav-links {
            display: flex;
            gap: 1.5rem;
        }

        .nav-links a {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
        }

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

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.75rem;
            cursor: pointer;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            padding: clamp(4rem, 10vw, 7rem) 0 clamp(3rem, 8vw, 5rem);
            background: radial-gradient(circle at 80% 20%, rgba(34, 211, 238, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(163, 230, 53, 0.05) 0%, transparent 40%),
                        var(--bg);
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
            overflow: hidden;
        }

        /* Decorative Wave SVG Background */
        .hero-banner::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%230d2230' fill-opacity='0.3' d='M0,160L48,176C96,192,192,224,288,213.3C384,203,480,149,576,149.3C672,149,768,203,864,229.3C960,256,1056,256,1152,240C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
            background-size: cover;
            background-position: bottom;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .breadcrumb {
            font-size: 0.875rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: inline-flex;
            align-items: center;
            background: rgba(13, 34, 48, 0.6);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(143, 173, 184, 0.2);
        }

        .hero-banner h1 {
            font-size: clamp(2.25rem, 5vw, 4rem);
            color: #fff;
            margin-bottom: 1.5rem;
            text-shadow: 0 0 30px var(--accent-glow);
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface);
            border: 1px solid rgba(34, 211, 238, 0.3);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            font-family: var(--font-display);
        }

        /* Intro Blockquote */
        .intro-box {
            background: linear-gradient(135deg, var(--surface) 0%, rgba(13, 34, 48, 0.4) 100%);
            border-left: 4px solid var(--accent);
            padding: 2rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 1.125rem;
            color: #e0f2fe;
            position: relative;
            margin-top: -2rem; /* Pull up slightly into hero space */
            z-index: 2;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        /* Content Grid */
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: clamp(3rem, 6vw, 5rem);
        }

        .content-section {
            background: var(--surface);
            padding: clamp(1.5rem, 4vw, 3rem);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(143, 173, 184, 0.1);
            position: relative;
            overflow: hidden;
        }

        .content-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            opacity: 0.5;
            pointer-events: none;
        }

        /* Feature List */
        .feature-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .feature-list li {
            background: rgba(6, 18, 24, 0.6);
            padding: 1.25rem;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            border: 1px solid rgba(163, 230, 53, 0.2);
            transition: var(--transition);
        }

        .feature-list li:hover {
            border-color: var(--accent2);
            transform: translateY(-2px);
        }

        .feature-list svg {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            stroke: var(--accent2);
            margin-top: 2px;
        }

        /* Paragraphs within sections */
        .content-section p:last-child {
            margin-bottom: 0;
        }

        .content-section a {
            color: var(--accent2);
            font-weight: 700;
            text-decoration: underline;
            text-decoration-color: rgba(163, 230, 53, 0.3);
            text-underline-offset: 4px;
        }

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

        /* FAQ Section */
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        details {
            background: var(--surface);
            border: 1px solid rgba(143, 173, 184, 0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        summary {
            padding: 1.25rem 1.5rem;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.125rem;
            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:hover {
            background: rgba(34, 211, 238, 0.05);
            color: var(--accent);
        }

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

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

        details p {
            padding: 0 1.5rem 1.25rem;
            color: var(--muted);
            margin: 0;
            border-top: 1px solid rgba(143, 173, 184, 0.1);
            padding-top: 1rem;
        }

        /* Related Links (Creative Block) */
        .related-nav {
            background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
            border-top: 1px dashed rgba(143, 173, 184, 0.3);
        }

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

        .related-card {
            background: var(--bg);
            border: 1px solid rgba(34, 211, 238, 0.2);
            padding: 1rem 1.5rem;
            border-radius: 30px;
            font-family: var(--font-display);
            font-weight: 600;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }

        .related-card::before {
            content: '';
            display: block;
            width: 8px;
            height: 8px;
            background: var(--accent2);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent2);
        }

        .related-card:hover {
            background: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .related-card:hover::before {
            background: var(--bg);
            box-shadow: none;
        }

        /* CTA Section */
        .cta-block {
            background: linear-gradient(45deg, #0d2230 0%, #0a485a 100%);
            border-radius: var(--radius-lg);
            padding: clamp(2.5rem, 6vw, 4rem);
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(34, 211, 238, 0.3);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .cta-block::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.1) 0%, transparent 60%);
            animation: pulse 10s infinite linear;
            pointer-events: none;
        }

        @keyframes pulse {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .cta-block h2 {
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-block h2::after {
            display: none;
        }

        .cta-block p {
            font-size: 1.125rem;
            color: #e0f2fe;
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        /* Footer (Exact Match Styling) */
        footer {
            background-color: var(--surface);
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(34, 211, 238, 0.1);
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand p {
            color: var(--muted);
            margin-top: 1rem;
            font-size: 0.95rem;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .footer-links div {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 0.95rem;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(143, 173, 184, 0.1);
            color: var(--muted);
            font-size: 0.875rem;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--surface);
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 1px solid rgba(34, 211, 238, 0.2);
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .footer-links {
                grid-template-columns: 1fr;
            }
            .meta-chips {
                flex-direction: column;
                align-items: flex-start;
            }
            .intro-box {
                border-radius: var(--radius-md);
                border-left: none;
                border-top: 4px solid var(--accent);
            }
        }


/* 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; }