:root {
        --bg: #0c0614;
        --surface: #1a0f28;
        --surface-hover: #26163b;
        --accent: #c084fc;
        --accent2: #f472b6;
        --text: #faf5ff;
        --muted: #ab93b0;
        --font-display: 'Bebas Neue', sans-serif;
        --font-body: 'Sora', sans-serif;
        --border-subtle: 1px solid rgba(192, 132, 252, 0.15);
        --glow: 0 0 20px rgba(192, 132, 252, 0.2);
    }

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

    body {
        background-color: var(--bg);
        color: var(--text);
        font-family: var(--font-body);
        line-height: 1.7;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }

    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(244, 114, 182, 0.4);
    }

    h1, h2, h3, .brand-logo, .footer-brand h2 {
        font-family: var(--font-display);
        font-weight: 400;
        letter-spacing: 1px;
        line-height: 1.2;
    }

    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 24px;
        font-family: var(--font-body);
        font-weight: 600;
        font-size: 0.9rem;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        border: none;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--accent), var(--accent2));
        color: #fff;
        box-shadow: 0 4px 15px rgba(244, 114, 182, 0.3);
    }

    .btn-primary:hover {
        background: linear-gradient(135deg, var(--accent2), var(--accent));
        color: #fff;
        box-shadow: 0 6px 20px rgba(244, 114, 182, 0.5);
        transform: translateY(-2px);
    }

    .btn-secondary {
        background: transparent;
        color: var(--accent);
        border: 1px solid var(--accent);
    }

    .btn-secondary:hover {
        background: rgba(192, 132, 252, 0.1);
        color: var(--accent2);
        border-color: var(--accent2);
    }

    /* Header (Verbatim Support) */
    header {
        background-color: rgba(12, 6, 20, 0.95);
        backdrop-filter: blur(10px);
        border-bottom: var(--border-subtle);
        position: sticky;
        top: 0;
        z-index: 100;
    }

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

    .brand-logo {
        font-size: 2rem;
        color: var(--accent);
        text-transform: uppercase;
        letter-spacing: 2px;
    }

    .brand-logo:hover {
        color: var(--accent2);
        text-shadow: var(--glow);
    }

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

    .nav-links a {
        color: var(--text);
        font-size: 0.9rem;
        font-weight: 300;
    }

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

    .header-ctas {
        display: flex;
        gap: 15px;
    }

    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--text);
        font-size: 1.5rem;
        cursor: pointer;
    }

    @media (max-width: 1024px) {
        .nav-links, .header-ctas {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--surface);
            padding: 20px;
            border-bottom: var(--border-subtle);
        }
        .header-ctas {
            top: auto;
            bottom: -140px; /* Approximate height */
            border-top: var(--border-subtle);
            border-bottom: none;
        }
        .nav-links.active, .header-ctas.active {
            display: flex;
        }
        .mobile-toggle {
            display: block;
        }
    }

    /* Hero Banner */
    .hero-banner {
        position: relative;
        padding: 60px 20px 80px;
        background: radial-gradient(circle at top center, rgba(192, 132, 252, 0.15) 0%, transparent 70%);
        text-align: center;
        border-bottom: var(--border-subtle);
    }

    .hero-banner::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: url('data:image/svg+xml;utf8,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(171, 147, 176, 0.05)"/></svg>') repeat;
        z-index: -1;
    }

    .breadcrumb {
        font-size: 0.85rem;
        color: var(--muted);
        margin-bottom: 25px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .hero-banner h1 {
        font-size: clamp(2.5rem, 5vw, 4.5rem);
        background: linear-gradient(to right, var(--accent), var(--accent2));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 20px;
        max-width: 900px;
        margin-inline: auto;
        text-shadow: 0 10px 30px rgba(192, 132, 252, 0.1);
    }

    .meta-chips {
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-bottom: 40px;
        flex-wrap: wrap;
    }

    .chip {
        display: inline-flex;
        align-items: center;
        padding: 6px 14px;
        background: rgba(26, 15, 40, 0.6);
        border: 1px solid rgba(171, 147, 176, 0.2);
        border-radius: 20px;
        font-size: 0.75rem;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .intro-box {
        max-width: 800px;
        margin: 0 auto;
        background: linear-gradient(180deg, rgba(26, 15, 40, 0.8) 0%, rgba(12, 6, 20, 0) 100%);
        padding: 40px;
        border-top: 1px solid rgba(192, 132, 252, 0.3);
        border-radius: 16px 16px 0 0;
        font-size: 1.1rem;
        color: #e2d9e6;
        line-height: 1.8;
    }

    /* Main Article */
    .article-content {
        max-width: 840px;
        margin: 0 auto;
        padding: 60px 20px;
    }

    .section-block {
        margin-bottom: 60px;
    }

    .section-block h2 {
        font-size: 2.2rem;
        color: var(--text);
        margin-bottom: 25px;
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .section-block h2::before {
        content: '';
        display: block;
        width: 8px;
        height: 30px;
        background: linear-gradient(to bottom, var(--accent), var(--accent2));
        border-radius: 4px;
    }

    .section-block p {
        margin-bottom: 20px;
        color: var(--muted);
        font-size: 1.05rem;
    }

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

    /* Custom List Cards */
    .rules-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .rule-card {
        background: var(--surface);
        border: var(--border-subtle);
        border-radius: 12px;
        padding: 25px;
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .rule-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--glow);
        border-color: rgba(192, 132, 252, 0.4);
    }

    .rule-card::before {
        content: '❖';
        position: absolute;
        top: -15px;
        right: -15px;
        font-size: 80px;
        color: rgba(192, 132, 252, 0.05);
        font-family: var(--font-display);
        line-height: 1;
    }

    .rule-card p {
        margin: 0;
        color: #e2d9e6;
        font-size: 0.95rem;
        position: relative;
        z-index: 1;
    }

    /* FAQ Section */
    .faq-wrapper {
        margin-top: 40px;
    }

    details {
        background: var(--surface);
        border: var(--border-subtle);
        border-radius: 10px;
        margin-bottom: 15px;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    details[open] {
        border-color: var(--accent);
        box-shadow: 0 4px 15px rgba(192, 132, 252, 0.1);
    }

    summary {
        padding: 20px 25px;
        font-family: var(--font-body);
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--text);
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

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

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

    details[open] summary::after {
        transform: rotate(45deg);
        color: var(--accent2);
    }

    details p {
        padding: 0 25px 25px;
        margin: 0;
        color: var(--muted);
        border-top: 1px solid rgba(255,255,255,0.05);
        padding-top: 15px;
    }

    /* Related Pages */
    .related-section {
        background: linear-gradient(to right, var(--surface), rgba(26, 15, 40, 0.4));
        border-radius: 16px;
        padding: 40px;
        margin: 60px 0;
        border: var(--border-subtle);
    }

    .related-section h3 {
        font-size: 1.8rem;
        color: var(--accent);
        margin-bottom: 20px;
        text-align: center;
    }

    .related-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }

    .related-tag {
        display: inline-block;
        padding: 10px 20px;
        background: rgba(12, 6, 20, 0.6);
        border: 1px solid rgba(192, 132, 252, 0.3);
        border-radius: 30px;
        color: var(--text);
        font-size: 0.9rem;
        transition: all 0.3s ease;
    }

    .related-tag:hover {
        background: var(--accent);
        color: var(--bg);
        border-color: var(--accent);
        transform: scale(1.05);
    }

    /* Final CTA */
    .final-cta {
        text-align: center;
        padding: 80px 20px;
        background: radial-gradient(circle at center, rgba(244, 114, 182, 0.1) 0%, transparent 60%);
        border-top: var(--border-subtle);
        margin-top: 40px;
    }

    .final-cta h2 {
        font-size: 3rem;
        margin-bottom: 15px;
    }

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

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

    /* Footer (Verbatim Support) */
    footer {
        background-color: var(--surface);
        border-top: var(--border-subtle);
        padding: 60px 0 20px;
    }

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

    .footer-brand p {
        color: var(--muted);
        margin-top: 15px;
    }

    .footer-links h3 {
        color: var(--text);
        margin-bottom: 20px;
        font-size: 1.5rem;
    }

    .footer-links ul {
        list-style: none;
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }

    .footer-links a {
        color: var(--muted);
        font-size: 0.9rem;
    }

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

    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.05);
        color: var(--muted);
        font-size: 0.8rem;
    }

    @media (max-width: 768px) {
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .hero-banner {
            padding: 40px 15px 60px;
        }
        .intro-box {
            padding: 25px 15px;
            font-size: 1rem;
        }
        .section-block h2 {
            font-size: 1.8rem;
        }
        .cta-buttons {
            flex-direction: column;
        }
        .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; }