:root {
            /* Palette */
            --bg: #041214;
            --surface: #0a2226;
            --surface-alt: #0d2c32;
            --accent: #ffd166;
            --accent-hover: #ffdf99;
            --accent2: #14b8a6;
            --accent2-glow: rgba(20, 184, 166, 0.4);
            --text: #effcff;
            --muted: #8fb0b3;

            /* Typography */
            --font-display: 'Russo One', sans-serif;
            --font-body: 'Open Sans', sans-serif;

            /* Layout */
            --container-w: 1200px;
            --content-w: 840px;
            --radius-angle: polygon(0 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%);
            --radius-angle-rev: polygon(15px 0, 100% 0, 100% 100%, 0 100%, 0 15px);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-body);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent2);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }

        a:hover {
            color: var(--accent);
            text-shadow: 0 0 8px rgba(255, 209, 102, 0.5);
        }

        p { margin-bottom: 1.5rem; }

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

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

        /* =========================================
           HEADER (Verbatim Match Styles)
           ========================================= */
        header {
            background-color: rgba(4, 18, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--surface-alt);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
        }

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

        .brand {
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .nav-links {
            display: flex;
            gap: 20px;
        }

        .nav-links a {
            color: var(--text);
            font-weight: 600;
            font-size: 0.95rem;
        }

        .nav-links a:hover { color: var(--accent2); }

        .header-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-family: var(--font-display);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
            clip-path: var(--radius-angle);
        }

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

        .btn-primary:hover {
            background-color: var(--accent-hover);
            box-shadow: 0 0 15px rgba(255, 209, 102, 0.4);
            color: var(--bg);
        }

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

        .btn-secondary:hover {
            background-color: var(--accent2-glow);
            color: var(--text);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent2);
            font-size: 1.8rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        /* =========================================
           HERO BANNER
           ========================================= */
        .page-hero {
            margin-top: 70px;
            padding: 60px 0;
            position: relative;
            background: radial-gradient(circle at 80% 0%, var(--surface-alt) 0%, var(--bg) 60%);
            border-bottom: 1px solid var(--accent2-glow);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(20, 184, 166, 0.03) 10px,
                rgba(20, 184, 166, 0.03) 20px
            );
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 20px;
            display: inline-block;
            background: var(--surface);
            padding: 5px 15px;
            clip-path: var(--radius-angle-rev);
            border-left: 2px solid var(--accent2);
        }

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

        h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 20px;
            text-transform: uppercase;
            text-shadow: 0 0 20px rgba(20, 184, 166, 0.3);
            position: relative;
            z-index: 1;
        }

        .meta-chips {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .chip {
            background-color: var(--surface);
            border: 1px solid var(--accent2);
            color: var(--accent2);
            padding: 6px 12px;
            font-size: 0.85rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 0 10px rgba(20, 184, 166, 0.1);
        }

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

        .intro-block {
            background: var(--surface);
            padding: 30px;
            font-size: 1.1rem;
            color: var(--text);
            border-left: 4px solid var(--accent);
            margin-bottom: 50px;
            position: relative;
            box-shadow: 5px 5px 0px rgba(4, 18, 20, 0.5);
        }

        .intro-block::after {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 30px; height: 30px;
            background: linear-gradient(-135deg, var(--bg) 50%, transparent 50%);
        }

        h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: var(--accent2);
            margin: 50px 0 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        .content-list {
            list-style: none;
            margin: 30px 0;
            display: grid;
            gap: 15px;
        }

        .content-list li {
            background: var(--surface);
            padding: 20px 20px 20px 50px;
            position: relative;
            clip-path: var(--radius-angle);
            border: 1px solid var(--surface-alt);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .content-list li:hover {
            transform: translateX(5px);
            border-color: var(--accent2);
        }

        .content-list li::before {
            content: '⚡';
            position: absolute;
            left: 20px;
            top: 20px;
            font-size: 1.2rem;
            color: var(--accent);
        }

        .article-content a {
            font-weight: 600;
            text-decoration: underline;
            text-decoration-color: var(--accent2-glow);
            text-underline-offset: 4px;
        }

        /* =========================================
           FAQ SECTION
           ========================================= */
        .faq-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px dashed var(--surface-alt);
        }

        details {
            background: var(--surface);
            margin-bottom: 15px;
            border-left: 3px solid transparent;
            transition: all 0.3s ease;
        }

        details[open] {
            border-left-color: var(--accent2);
            background: var(--surface-alt);
        }

        summary {
            padding: 20px;
            font-family: var(--font-display);
            font-size: 1.1rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }

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

        summary::after {
            content: '+';
            color: var(--accent2);
            font-size: 1.5rem;
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            content: '-';
            color: var(--accent);
            transform: rotate(180deg);
        }

        details p {
            padding: 0 20px 20px;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* =========================================
           RELATED LINKS (Control Panel Style)
           ========================================= */
        .related-panel {
            background: linear-gradient(to right, var(--surface), var(--surface-alt));
            padding: 40px;
            margin: 60px 0;
            border: 1px solid var(--accent2-glow);
            position: relative;
        }

        .related-panel::before {
            content: 'SYSTEM LINKS';
            position: absolute;
            top: -12px;
            left: 30px;
            background: var(--bg);
            padding: 0 10px;
            font-family: var(--font-display);
            font-size: 0.8rem;
            color: var(--accent2);
            letter-spacing: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .related-link-card {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            background: rgba(4, 18, 20, 0.6);
            border: 1px solid var(--surface-alt);
            color: var(--text);
            font-family: var(--font-display);
            text-transform: uppercase;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s ease;
            clip-path: var(--radius-angle);
        }

        .related-link-card:hover {
            background: var(--accent2-glow);
            border-color: var(--accent2);
            color: var(--text);
            text-shadow: none;
            transform: translateY(-3px);
        }

        /* =========================================
           CTA SECTION
           ========================================= */
        .cta-box {
            text-align: center;
            padding: 60px 40px;
            background: radial-gradient(circle at center, var(--surface-alt) 0%, var(--surface) 100%);
            border: 2px solid var(--accent2);
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -50px; right: -50px;
            width: 150px; height: 150px;
            background: var(--accent2);
            filter: blur(80px);
            opacity: 0.3;
            pointer-events: none;
        }

        .cta-box h3 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 15px;
            text-transform: uppercase;
        }

        .cta-box p {
            color: var(--muted);
            margin-bottom: 30px;
            font-size: 1.1rem;
        }

        .cta-actions {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* =========================================
           FOOTER (Verbatim Match Styles)
           ========================================= */
        footer {
            background-color: var(--surface);
            padding: 60px 0 20px;
            border-top: 2px solid var(--accent2);
        }

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

        .footer-brand h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            margin: 0 0 15px 0;
            color: var(--text);
            text-transform: uppercase;
        }

        .footer-brand h2::before { display: none; }
        .footer-brand span { color: var(--accent); }
        .footer-tagline { color: var(--muted); }

        .footer-links-group h4 {
            font-family: var(--font-display);
            color: var(--text);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .footer-links-group a {
            display: block;
            color: var(--muted);
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .footer-links-group a:hover { color: var(--accent2); }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--surface-alt);
            color: var(--muted);
            font-size: 0.9rem;
        }

        /* =========================================
           RESPONSIVE (Mobile First approach logic handled, now adapting down)
           ========================================= */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }

        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.5rem; }

            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--surface);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 1px solid var(--accent2);
            }

            .nav-links.active { display: flex; }
            .mobile-toggle { display: block; }
            .header-actions .btn-secondary { display: none; }

            .page-hero { padding: 40px 0; }
            .article-content { padding: 40px 0; }
            .intro-block { padding: 20px; font-size: 1rem; }

            .related-panel { padding: 25px; }
            .cta-box { padding: 40px 20px; }
            .cta-actions { flex-direction: column; }
            .cta-actions .btn { width: 100%; }
        }

        @media (max-width: 390px) {
            h1 { font-size: 1.8rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .meta-chips { flex-direction: column; gap: 10px; }
            .content-list li { padding: 15px 15px 15px 40px; }
            .content-list li::before { left: 15px; top: 15px; }
        }


/* 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; }