:root {
            --bg: #170812;
            --surface: #2b1030;
            --accent: #f0c419;
            --accent-hover: #d4a90b;
            --accent2: #b565d8;
            --text: #fdf4ff;
            --muted: #b895b0;
            --font-display: 'Playfair Display', serif;
            --font-body: 'Inter', sans-serif;
            --container-w: 1200px;
            --article-w: 840px;
        }

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

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

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

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

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* --- HEADER STYLES (Matching Homepage Family) --- */
        header {
            background-color: rgba(23, 8, 18, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(181, 101, 216, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .brand-logo {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent);
            text-transform: lowercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links {
            display: none;
            gap: 1.5rem;
        }

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

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

        .header-actions {
            display: none;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.6rem 1.25rem;
            border-radius: 4px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            min-height: 44px;
        }

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

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

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

        .btn-secondary:hover {
            background-color: rgba(240, 196, 25, 0.1);
        }

        .mobile-menu-btn {
            display: block;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.5rem;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--surface);
            padding: 1rem 1.5rem;
            border-bottom: 1px solid rgba(181, 101, 216, 0.2);
        }

        .mobile-nav a {
            padding: 0.75rem 0;
            color: var(--text);
            border-bottom: 1px solid rgba(253, 244, 255, 0.05);
            font-weight: 500;
        }

        .header-actions-mobile {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        @media (min-width: 1024px) {
            .nav-links, .header-actions { display: flex; }
            .mobile-menu-btn { display: none; }
            .mobile-nav { display: none !important; }
        }

        /* --- HERO & BREADCRUMB --- */
        .page-hero {
            position: relative;
            padding: 4rem 0 3rem;
            background: radial-gradient(circle at top center, #421849 0%, var(--bg) 70%);
            border-bottom: 1px solid rgba(240, 196, 25, 0.1);
            text-align: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: linear-gradient(rgba(23, 8, 18, 0.7) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(23, 8, 18, 0.7) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.3;
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: inline-block;
            background: rgba(43, 16, 48, 0.6);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            border: 1px solid rgba(181, 101, 216, 0.3);
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }

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

        .chip {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(240, 196, 25, 0.1);
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
            border: 1px solid rgba(240, 196, 25, 0.3);
        }

        /* --- MAIN ARTICLE CONTENT --- */
        .article-container {
            max-width: var(--article-w);
            margin: 0 auto;
            padding: 3rem 1.5rem;
        }

        .intro-box {
            background: linear-gradient(145deg, var(--surface) 0%, rgba(43, 16, 48, 0.4) 100%);
            border-left: 4px solid var(--accent);
            padding: 2rem 2.5rem;
            font-size: 1.15rem;
            line-height: 1.8;
            color: var(--text);
            border-radius: 0 12px 12px 0;
            margin-bottom: 4rem;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .intro-box::before {
            content: "“";
            font-family: var(--font-display);
            font-size: 6rem;
            color: rgba(240, 196, 25, 0.15);
            position: absolute;
            top: -20px;
            left: 10px;
            line-height: 1;
        }

        .content-section {
            margin-bottom: 3.5rem;
        }

        .content-section h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .content-section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent2);
            border-radius: 2px;
        }

        .content-section p {
            margin-bottom: 1.25rem;
            color: var(--muted);
            font-size: 1.05rem;
        }

        .content-section a {
            text-decoration: underline;
            text-decoration-color: rgba(240, 196, 25, 0.5);
            text-underline-offset: 4px;
            font-weight: 600;
        }

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

        /* Visual Checklist */
        .visual-checklist {
            list-style: none;
            margin: 2rem 0;
            display: grid;
            gap: 1rem;
        }

        .visual-checklist li {
            position: relative;
            background: var(--surface);
            padding: 1.5rem 1.5rem 1.5rem 4rem;
            border-radius: 8px;
            border: 1px solid rgba(181, 101, 216, 0.15);
            color: var(--text);
            font-weight: 500;
            line-height: 1.5;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .visual-checklist li:hover {
            transform: translateX(5px);
            border-color: var(--accent);
        }

        .visual-checklist li::before {
            content: "✦";
            position: absolute;
            left: 1.5rem;
            top: 1.4rem;
            color: var(--accent);
            font-size: 1.25rem;
        }

        /* FAQ Section */
        .faq-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 1px solid rgba(253, 244, 255, 0.1);
        }

        .faq-section h2 {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .faq-section h2::after {
            left: 50%;
            transform: translateX(-50%);
        }

        details {
            background: var(--surface);
            border-radius: 8px;
            margin-bottom: 1rem;
            border: 1px solid rgba(181, 101, 216, 0.2);
            transition: all 0.3s ease;
        }

        details:hover {
            border-color: var(--accent);
        }

        details[open] {
            border-color: var(--accent);
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }

        summary {
            padding: 1.25rem 1.5rem;
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.15rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            min-height: 44px;
        }

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

        summary::after {
            content: "+";
            color: var(--accent);
            font-size: 1.5rem;
            font-family: var(--font-body);
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        details[open] summary::after {
            content: "−";
        }

        details p {
            padding: 0 1.5rem 1.5rem;
            color: var(--muted);
            margin: 0;
            font-size: 1rem;
        }

        /* Related Links Navigation */
        .related-nav-block {
            margin: 4rem 0;
            background: rgba(43, 16, 48, 0.3);
            padding: 2.5rem;
            border-radius: 12px;
            border: 1px dashed rgba(181, 101, 216, 0.3);
        }

        .related-nav-block h3 {
            font-family: var(--font-display);
            color: var(--text);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            text-align: center;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
        }

        .related-grid a {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
            background: var(--surface);
            color: var(--accent);
            text-decoration: none;
            border-radius: 6px;
            border: 1px solid rgba(240, 196, 25, 0.2);
            transition: all 0.3s;
            text-align: center;
            font-weight: 500;
            font-size: 0.95rem;
        }

        .related-grid a:hover {
            background: var(--accent);
            color: var(--bg);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(240, 196, 25, 0.2);
        }

        /* Grand CTA */
        .grand-cta {
            background: linear-gradient(135deg, var(--surface) 0%, #4a1c52 100%);
            border: 2px solid var(--accent);
            border-radius: 16px;
            padding: 4rem 2rem;
            text-align: center;
            margin: 4rem 0 2rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .grand-cta::before {
            content: '';
            position: absolute;
            top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle, rgba(240, 196, 25, 0.1) 0%, transparent 60%);
            animation: rotate 20s linear infinite;
            pointer-events: none;
        }

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

        .grand-cta h3 {
            font-family: var(--font-display);
            font-size: 2.25rem;
            color: var(--text);
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }

        .grand-cta p {
            color: var(--muted);
            margin-bottom: 2rem;
            font-size: 1.1rem;
            position: relative;
            z-index: 2;
        }

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

        /* --- FOOTER STYLES (Matching Homepage Family) --- */
        footer {
            background-color: #0d040a;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(181, 101, 216, 0.2);
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand h2 {
            font-family: var(--font-display);
            color: var(--accent);
            font-size: 2rem;
            margin-bottom: 1rem;
            text-transform: lowercase;
            letter-spacing: 1px;
        }

        .footer-brand p {
            color: var(--muted);
            font-size: 0.95rem;
            max-width: 300px;
        }

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

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

        .footer-links-group a:hover {
            color: var(--text);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(253, 244, 255, 0.05);
            color: var(--muted);
            font-size: 0.85rem;
        }

        /* --- RESPONSIVE BREAKPOINTS --- */
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
            .cta-buttons {
                flex-direction: row;
            }
        }

        @media (max-width: 767px) {
            .cta-buttons {
                flex-direction: column;
            }
            .intro-box {
                padding: 1.5rem;
                font-size: 1.05rem;
            }
            .content-section h2 {
                font-size: 1.75rem;
            }
            .visual-checklist li {
                padding: 1.25rem 1.25rem 1.25rem 3rem;
            }
            .visual-checklist li::before {
                left: 1rem;
            }
        }


/* 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; }