:root {
            /* Palette */
            --bg: #04140e;
            --surface: #0a2420;
            --accent: #34d399;
            --accent-hover: #10b981;
            --accent2: #fbbf24;
            --text: #effdf5;
            --muted: #8fb3a3;
            --surface-border: rgba(52, 211, 153, 0.15);

            /* Typography */
            --font-display: 'Montserrat', sans-serif;
            --font-body: 'Lora', serif;

            /* Layout */
            --container-width: 1200px;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.3s ease;
        }

        /* Reset & Base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 1rem;
        }
        p {
            margin-bottom: 1.25rem;
            color: var(--text);
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent2);
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
            text-align: center;
            border: 2px solid transparent;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #020a07;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #020a07;
            box-shadow: 0 4px 15px rgba(52, 211, 153, 0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-secondary:hover {
            background-color: rgba(52, 211, 153, 0.1);
            color: var(--accent);
        }

        /* Header (Matching Homepage) */
        header {
            background-color: rgba(4, 20, 14, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--surface-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 24px;
        }
        .nav-links a {
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .header-ctas {
            display: flex;
            gap: 12px;
        }
        .header-ctas .btn {
            padding: 8px 20px;
            font-size: 14px;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
            padding: 5px;
        }

        /* Hero Section (RTP Specific) */
        .hero-rtp {
            padding: 60px 0 40px;
            background: radial-gradient(circle at top center, var(--surface) 0%, var(--bg) 100%);
            border-bottom: 1px solid var(--surface-border);
            text-align: center;
        }
        .breadcrumb {
            font-family: var(--font-display);
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--accent2);
        }
        .hero-rtp h1 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .meta-chips {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .chip {
            background-color: rgba(52, 211, 153, 0.1);
            color: var(--accent);
            border: 1px solid rgba(52, 211, 153, 0.2);
            padding: 6px 16px;
            border-radius: 50px;
            font-family: var(--font-display);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .hero-intro {
            max-width: 800px;
            margin: 0 auto;
            font-size: 18px;
            color: var(--muted);
        }

        /* Main Content Layout */
        .content-area {
            padding: 60px 0;
            display: flex;
            flex-direction: column;
            gap: 60px;
        }
        .content-section {
            max-width: 900px;
            margin: 0 auto;
        }

        /* Article Blocks Styling */
        .rtp-block {
            background-color: var(--surface);
            border: 1px solid var(--surface-border);
            border-radius: var(--radius-md);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .rtp-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--accent);
        }
        .rtp-block h2 {
            font-size: 28px;
            color: var(--accent2);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .rtp-block p:last-child {
            margin-bottom: 0;
        }

        /* Alternative Block Style */
        .rtp-block-alt {
            padding: 20px 0;
        }
        .rtp-block-alt h2 {
            font-size: 28px;
            margin-bottom: 24px;
            text-align: center;
        }
        .rtp-block-alt p {
            color: var(--muted);
        }

        /* Checklist */
        .custom-checklist {
            list-style: none;
            margin: 24px 0 0 0;
            padding: 0;
            display: grid;
            gap: 16px;
        }
        .custom-checklist li {
            position: relative;
            padding-left: 36px;
            color: var(--text);
            background: rgba(10, 36, 32, 0.5);
            border: 1px solid var(--surface-border);
            padding: 16px 20px 16px 48px;
            border-radius: var(--radius-sm);
        }
        .custom-checklist li::before {
            content: '✓';
            position: absolute;
            left: 16px;
            top: 16px;
            color: var(--bg);
            background-color: var(--accent);
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 12px;
            font-weight: bold;
        }

        /* FAQ Section */
        .faq-section {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-section h2 {
            text-align: center;
            font-size: 32px;
            margin-bottom: 40px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        details {
            background-color: var(--surface);
            border: 1px solid var(--surface-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 16px;
            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: '+';
            color: var(--accent);
            font-size: 24px;
            font-weight: 400;
            transition: transform 0.3s ease;
        }
        details[open] summary {
            background-color: rgba(52, 211, 153, 0.05);
            color: var(--accent);
            border-bottom: 1px solid var(--surface-border);
        }
        details[open] summary::after {
            transform: rotate(45deg);
        }
        details p {
            padding: 20px;
            margin: 0;
            color: var(--muted);
        }

        /* Related Links */
        .related-links-section {
            background-color: var(--surface);
            padding: 60px 0;
            border-top: 1px solid var(--surface-border);
            border-bottom: 1px solid var(--surface-border);
        }
        .related-links-section h3 {
            text-align: center;
            font-size: 24px;
            margin-bottom: 30px;
            color: var(--accent2);
        }
        .links-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .links-grid a {
            background-color: var(--bg);
            border: 1px solid var(--surface-border);
            padding: 12px 24px;
            border-radius: 50px;
            font-family: var(--font-display);
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
        }
        .links-grid a:hover {
            background-color: rgba(52, 211, 153, 0.1);
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* Final CTA */
        .final-cta {
            text-align: center;
            padding: 80px 20px;
            background: linear-gradient(135deg, rgba(10, 36, 32, 0.8) 0%, rgba(4, 20, 14, 0.9) 100%);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(251, 191, 36, 0.2);
            margin: 0 auto;
            max-width: 900px;
            position: relative;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(52, 211, 153, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }
        .final-cta h2 {
            font-size: 36px;
            color: var(--text);
            margin-bottom: 16px;
        }
        .final-cta p {
            font-size: 18px;
            color: var(--muted);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .final-cta .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
        }
        .final-cta .btn {
            min-width: 160px;
        }

        /* Footer (Matching Homepage) */
        footer {
            background-color: #020a07;
            border-top: 1px solid var(--surface-border);
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-top {
            text-align: center;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .footer-tagline {
            color: var(--muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 24px;
            margin-bottom: 40px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer-links a {
            color: var(--muted);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            color: #4a6358;
            font-size: 14px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-rtp h1 { font-size: 36px; }
            .rtp-block { padding: 30px; }
        }

        @media (max-width: 768px) {
            .nav-links, .header-ctas {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            /* Basic mobile menu logic for the provided HTML */
            .header-inner.menu-open {
                flex-wrap: wrap;
                height: auto;
                padding: 15px 0;
            }
            .header-inner.menu-open .nav-links,
            .header-inner.menu-open .header-ctas {
                display: flex;
                width: 100%;
                flex-direction: column;
                margin-top: 15px;
                gap: 12px;
            }
            .header-inner.menu-open .nav-links a {
                padding: 10px 0;
                border-bottom: 1px solid var(--surface-border);
            }

            .hero-rtp { padding: 40px 0 30px; }
            .hero-rtp h1 { font-size: 28px; }
            .hero-intro { font-size: 16px; }

            .content-area { padding: 40px 0; gap: 40px; }
            .rtp-block { padding: 24px; }
            .rtp-block h2 { font-size: 22px; }

            .faq-section h2 { font-size: 26px; }
            .final-cta { padding: 40px 20px; }
            .final-cta h2 { font-size: 26px; }

            .footer-links { flex-direction: column; text-align: center; gap: 12px; }
        }

        @media (max-width: 390px) {
            body { font-size: 15px; }
            .container { padding: 0 16px; }

            .hero-rtp h1 { font-size: 24px; }
            .meta-chips { flex-direction: column; gap: 8px; }
            .chip { width: 100%; text-align: center; }

            .rtp-block { padding: 20px 16px; border-radius: var(--radius-sm); }
            .rtp-block h2 { font-size: 20px; }

            .custom-checklist li { padding: 12px 16px 12px 40px; }
            .custom-checklist li::before { left: 12px; top: 12px; }

            .final-cta .cta-buttons { flex-direction: column; }
            .final-cta .btn { width: 100%; }
        }


/* 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; }