:root {
            --bg: #061218;
            --surface: #0d2230;
            --surface-hover: #153245;
            --accent: #22d3ee;
            --accent-glow: rgba(34, 211, 238, 0.4);
            --accent2: #a3e635;
            --text: #f0faff;
            --muted: #8fadb8;
            --font-display: 'Chakra Petch', sans-serif;
            --font-body: 'Manrope', sans-serif;
            --container-width: 1024px;
            --header-height: 70px;
        }

        * {
            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: color 0.3s ease, text-shadow 0.3s ease;
        }

        a:hover {
            color: var(--accent2);
            text-shadow: 0 0 8px rgba(163, 230, 53, 0.5);
        }

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

        /* --- HEADER STYLES --- */
        header {
            background-color: rgba(6, 18, 24, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
            text-transform: uppercase;
            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: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent);
            font-size: 28px;
            cursor: pointer;
            padding: 5px;
            min-width: 44px;
            min-height: 44px;
        }

        /* --- HERO BANNER --- */
        .hero {
            margin-top: var(--header-height);
            padding: 60px 0 40px;
            background: radial-gradient(circle at top right, #0d3b4d 0%, var(--bg) 60%);
            position: relative;
            border-bottom: 1px solid rgba(34, 211, 238, 0.1);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='100' height='20' viewBox='0 0 100 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M21.184 20c.357-.13.72-.264 1.088-.402l1.768-.661C33.64 15.347 39.647 14 50 14c10.271 0 15.362 1.222 24.629 4.928.955.383 1.869.74 2.75 1.072h6.225c-2.51-.73-5.139-1.691-8.233-2.928C65.888 13.278 60.562 12 50 12c-10.626 0-16.855 1.397-26.66 5.063l-1.767.662c-2.475.923-4.66 1.674-6.724 2.275h6.335zm0-20C13.258 2.892 8.077 4 0 4V2c5.744 0 9.951-.574 14.85-2h6.334zM42.184 20c-2.65-1.02-5.33-2.082-8.284-3.204l-5.444-2.071C25.97 13.784 21.129 12 10 12c-3.136 0-6.19.24-9.066.696V10.64C4.103 10.22 7.009 10 10 10c10.626 0 16.855 1.397 26.66 5.063l5.444 2.071c3.085 1.173 5.86 2.228 8.41 3.266l-8.33-1.4zM0 16v-2c5.744 0 9.951-.574 14.85-2h6.334c-2.65 1.02-5.33 2.082-8.284 3.204l-5.444 2.071C25.97 15.784 21.129 14 10 14c-3.136 0-6.19.24-9.066.696V16zm0-4v-2c5.744 0 9.951-.574 14.85-2h6.334c-2.65 1.02-5.33 2.082-8.284 3.204l-5.444 2.071C25.97 11.784 21.129 10 10 10c-3.136 0-6.19.24-9.066.696V12zm0-4V6c5.744 0 9.951-.574 14.85-2h6.334c-2.65 1.02-5.33 2.082-8.284 3.204l-5.444 2.071C25.97 7.784 21.129 6 10 6c-3.136 0-6.19.24-9.066.696V8z' fill='%2322d3ee' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }

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

        h1 {
            font-family: var(--font-display);
            font-size: 42px;
            color: var(--text);
            margin-bottom: 20px;
            line-height: 1.2;
            text-transform: uppercase;
            text-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
        }

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

        .chip {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(34, 211, 238, 0.1);
            padding: 6px 14px;
            border-radius: 4px;
            border: 1px solid rgba(34, 211, 238, 0.3);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* --- MAIN CONTENT --- */
        main {
            padding: 50px 0;
        }

        .intro-block {
            background: var(--surface);
            padding: 30px;
            border-radius: 12px;
            border-left: 4px solid var(--accent);
            font-size: 18px;
            line-height: 1.8;
            margin-bottom: 50px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

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

        h2 {
            font-family: var(--font-display);
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        h2::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 24px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a3e635' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 12h4l3-9 5 18 3-9h5'/%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
        }

        .content-section p {
            margin-bottom: 16px;
            color: var(--muted);
            font-size: 16px;
        }

        .content-section p strong {
            color: var(--text);
        }

        .styled-list {
            list-style: none;
            margin: 24px 0;
            background: rgba(13, 34, 48, 0.5);
            border-radius: 8px;
            padding: 20px;
            border: 1px solid rgba(143, 173, 184, 0.1);
        }

        .styled-list li {
            margin-bottom: 12px;
            padding-left: 32px;
            position: relative;
            color: var(--text);
        }

        .styled-list li:last-child {
            margin-bottom: 0;
        }

        .styled-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--bg);
            background: var(--accent2);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }

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

        details {
            background: var(--surface);
            border: 1px solid rgba(34, 211, 238, 0.2);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        details[open] {
            border-color: var(--accent);
            box-shadow: 0 4px 15px rgba(34, 211, 238, 0.1);
        }

        summary {
            padding: 20px;
            cursor: pointer;
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(6, 18, 24, 0.3);
        }

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

        summary::after {
            content: '+';
            color: var(--accent);
            font-size: 24px;
            line-height: 1;
            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;
            border-top: 1px solid rgba(143, 173, 184, 0.1);
            padding-top: 16px;
        }

        /* --- RELATED LINKS --- */
        .related-links {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px dashed rgba(143, 173, 184, 0.2);
        }

        .related-links h3 {
            font-family: var(--font-display);
            font-size: 22px;
            color: var(--text);
            margin-bottom: 20px;
            text-align: center;
        }

        .links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .links-grid a {
            background: var(--surface);
            border: 1px solid rgba(143, 173, 184, 0.2);
            padding: 12px 24px;
            border-radius: 30px;
            color: var(--text);
            font-weight: 500;
            font-size: 14px;
        }

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

        /* --- CTA BLOCK --- */
        .cta-block {
            margin-top: 60px;
            background: linear-gradient(135deg, var(--surface) 0%, #0a2e40 100%);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 16px;
            padding: 50px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%; right: -20%;
            width: 300px; height: 300px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-block h3 {
            font-family: var(--font-display);
            font-size: 32px;
            color: var(--text);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .cta-block p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 16px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-family: var(--font-display);
            font-size: 16px;
            font-weight: 700;
            text-transform: uppercase;
            border-radius: 8px;
            letter-spacing: 1px;
            min-width: 160px;
            min-height: 44px;
            transition: all 0.3s ease;
        }

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

        .btn-primary:hover {
            background: transparent;
            color: var(--accent);
            box-shadow: 0 0 15px var(--accent-glow);
        }

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

        .btn-secondary:hover {
            background: var(--accent2);
            color: var(--bg);
            box-shadow: 0 0 15px rgba(163, 230, 53, 0.4);
        }

        /* --- FOOTER STYLES --- */
        footer {
            background-color: #040c11;
            border-top: 1px solid rgba(143, 173, 184, 0.1);
            padding: 60px 0 20px;
            margin-top: 40px;
        }

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

        .footer-brand p {
            color: var(--muted);
            font-size: 14px;
            margin-top: 16px;
            max-width: 300px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .footer-links div {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(143, 173, 184, 0.1);
            color: rgba(143, 173, 184, 0.5);
            font-size: 13px;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                text-align: center;
            }
            .footer-brand p {
                margin: 16px auto 0;
            }
            h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--surface);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(34, 211, 238, 0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 24px;
            }
            .intro-block {
                font-size: 16px;
                padding: 20px;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn {
                width: 100%;
            }
        }

        @media (max-width: 390px) {
            .footer-links {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .meta-chips {
                flex-direction: column;
                align-items: center;
            }
            .hero {
                padding: 40px 0 30px;
            }
            h1 {
                font-size: 24px;
            }
        }


/* 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; }