/* CSS VARIABLES */
        :root {
            --bg: #0c0614;
            --surface: #1a0f28;
            --surface-hover: #26163a;
            --accent: #c084fc;
            --accent-hover: #d8b4fe;
            --accent2: #f472b6;
            --text: #faf5ff;
            --muted: #ab93b0;
            --font-display: 'Bebas Neue', sans-serif;
            --font-body: 'Sora', sans-serif;
            --shadow-orchid: 0 8px 32px rgba(192, 132, 252, 0.12);
            --shadow-glow: 0 0 20px rgba(192, 132, 252, 0.3);
            --border-subtle: 1px solid rgba(171, 147, 176, 0.15);
            --radius-sm: 4px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --transition: all 0.3s ease;
        }

        /* RESET & BASE */
        * { 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;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        h1, h2, h3, .brand-logo { font-family: var(--font-display); font-weight: normal; letter-spacing: 1px; }
        img { max-width: 100%; height: auto; display: block; }
        .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;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            color: var(--bg);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: var(--bg);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text);
            border: 1px solid var(--accent);
        }
        .btn-secondary:hover {
            background: rgba(192, 132, 252, 0.1);
            color: var(--text);
        }

        /* HEADER (A1 Styles) */
        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;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .brand-logo {
            font-size: 32px;
            color: var(--text);
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .brand-logo:hover { color: var(--accent); }
        .nav-links { display: none; gap: 24px; }
        .nav-links a {
            color: var(--text);
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .nav-links a:hover { color: var(--accent); }
        .header-ctas { display: none; gap: 12px; }
        .mobile-toggle {
            background: none;
            border: none;
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
            min-width: 44px;
            min-height: 44px;
        }

        /* PAGE SPECIFIC: HERO BANNER */
        .hero {
            padding: 80px 0 60px;
            background: radial-gradient(circle at top right, rgba(192, 132, 252, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at bottom left, rgba(244, 114, 182, 0.05) 0%, transparent 50%);
            position: relative;
            border-bottom: var(--border-subtle);
        }
        .breadcrumb {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .hero h1 {
            font-size: clamp(40px, 6vw, 64px);
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--text);
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            max-width: 800px;
        }
        .meta-chips {
            display: flex;
            gap: 12px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .chip {
            background: var(--surface);
            border: 1px solid rgba(192, 132, 252, 0.3);
            color: var(--muted);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .chip::before {
            content: '';
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent2);
        }
        .intro-block {
            background: var(--surface);
            padding: 32px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-orchid);
            font-size: 18px;
            line-height: 1.8;
            color: var(--text);
            max-width: 900px;
        }

        /* MAIN CONTENT */
        .content-area {
            padding: 80px 0;
            display: grid;
            gap: 60px;
        }
        .section-block {
            max-width: 900px;
            margin: 0 auto;
            width: 100%;
        }
        .section-block h2 {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .section-block h2::after {
            content: '';
            flex-grow: 1;
            height: 1px;
            background: linear-gradient(90deg, rgba(192, 132, 252, 0.3), transparent);
        }
        .section-block p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 16px;
        }
        .section-block p:last-child { margin-bottom: 0; }

        /* Specific Section Styling */
        .promo-types-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-top: 32px;
        }
        .promo-list {
            background: var(--surface);
            padding: 32px;
            border-radius: var(--radius-md);
            border: var(--border-subtle);
        }
        .promo-list ul {
            list-style: none;
        }
        .promo-list li {
            position: relative;
            padding-left: 32px;
            margin-bottom: 16px;
            color: var(--text);
            font-weight: 300;
        }
        .promo-list li:last-child { margin-bottom: 0; }
        .promo-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent2);
            font-size: 14px;
        }

        /* FAQ SECTION */
        .faq-section {
            background: var(--surface);
            padding: 60px 0;
            border-top: var(--border-subtle);
            border-bottom: var(--border-subtle);
        }
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-title {
            text-align: center;
            font-size: 40px;
            margin-bottom: 40px;
            color: var(--text);
        }
        details {
            background: var(--bg);
            border: var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        details[open] {
            border-color: var(--accent);
            box-shadow: var(--shadow-orchid);
        }
        summary {
            padding: 24px;
            font-size: 18px;
            font-weight: 600;
            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: '+';
            font-family: var(--font-display);
            font-size: 24px;
            color: var(--accent);
            transition: var(--transition);
        }
        details[open] summary::after {
            content: '−';
            color: var(--accent2);
        }
        details p {
            padding: 0 24px 24px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* RELATED PAGES */
        .related-pages {
            padding: 80px 0;
        }
        .related-pages h2 {
            text-align: center;
            font-size: 32px;
            margin-bottom: 40px;
        }
        .nav-chips {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .nav-chip {
            background: var(--surface);
            border: 1px solid rgba(250, 245, 255, 0.1);
            color: var(--text);
            padding: 12px 24px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }
        .nav-chip:hover {
            background: var(--accent);
            color: var(--bg);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        /* BOTTOM CTA */
        .bottom-cta {
            background: linear-gradient(to bottom, transparent, rgba(192, 132, 252, 0.05));
            padding: 80px 0 100px;
            text-align: center;
            border-top: var(--border-subtle);
        }
        .bottom-cta h2 {
            font-size: 48px;
            margin-bottom: 16px;
        }
        .bottom-cta p {
            color: var(--muted);
            margin-bottom: 40px;
            font-size: 18px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* FOOTER (A2 Styles) */
        footer {
            background-color: #08040d;
            border-top: 1px solid rgba(192, 132, 252, 0.2);
            padding: 60px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h2 {
            font-size: 40px;
            color: var(--text);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .footer-brand p {
            color: var(--muted);
            font-size: 14px;
            max-width: 300px;
        }
        .footer-links h3 {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .footer-links a {
            color: var(--muted);
            font-size: 14px;
        }
        .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: 12px;
        }

        /* MEDIA QUERIES */
        @media (min-width: 768px) {
            .header-inner { height: 80px; }
            .mobile-toggle { display: none; }
            .nav-links { display: flex; }
            .header-ctas { display: flex; }

            .promo-types-grid { grid-template-columns: 1fr 1fr; align-items: start; }
            .footer-grid { grid-template-columns: 1fr 2fr; }
            .footer-links ul { grid-template-columns: repeat(3, 1fr); }
        }

        @media (min-width: 1024px) {
            .hero { padding: 100px 0 80px; }
            .content-area { padding: 100px 0; gap: 80px; }
            .section-block { margin: 0; }
        }

        /* MOBILE MENU ACTIVE STATE */
        .nav-active .nav-links {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--bg);
            padding: 20px;
            border-bottom: var(--border-subtle);
            box-shadow: var(--shadow-surface);
        }
        .nav-active .header-ctas {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: calc(70px + 240px); /* Approx below nav */
            left: 0;
            width: 100%;
            background: var(--bg);
            padding: 0 20px 20px;
            border-bottom: var(--border-subtle);
        }


/* 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; }